BAI Yuting,HAN Zhichao,LIU Dongxu,et al.Spatiotemporal Differentiation of Soil Organophosphorus Components in Apple-pear Orchards[J].Northern Horticulture,2023,(21):85-92.[doi:10.11937/bfyy.20230884]
苹果梨园土壤有机磷组分的时空分异
- Title:
- Spatiotemporal Differentiation of Soil Organophosphorus Components in Apple-pear Orchards
- 文章编号:
- 1001-0009(2023)21-0085-08
- Keywords:
- organophosphorus; soil; orchard age; season; soil layer
- 分类号:
- S 153.6
- 文献标志码:
- A
- 摘要:
- 在园龄为11、25、40年和63年的延边苹果梨园挖掘土壤剖面，以0~20、20~40、40~60 cm 3个层次土壤为试材，采用改进的 Bowman-Cole 方法，研究了土壤有机磷随园龄、土层和季节的变化规律，以期为果园土壤磷循环研究提供参考依据。结果表明：随着园龄的增加，土壤的活性、中活性、中稳性、高稳性及总提取有机磷均有先增加后减少的趋势，11年果园含量最低，25年果园含量最高。随着土层深度加深，土壤的活性和中稳性有机磷呈逐渐下降的趋势，中活性和高稳性及总提取有机磷呈先降低后升高的趋势。随着春夏秋季节更替，土壤的活性、高稳性有机磷呈逐渐降低的趋势，中活性有机磷呈先降低后升高趋势，而中稳性有机磷与中活性有机磷相反呈先升高后降低趋势，最后总提取有机磷呈先降低后升高趋势，但夏季和秋季无显著性差异。中活性有机磷是苹果梨园的主要有机磷形态，其次是高稳性有机磷。
- Abstract:
- In the orchanrds of 11，25，40,63 years of the soil profile，with 0-20，20-40,40-60 cm 3 levels of soil as test materials，the improved Bowman-Cole method was used，the change of soil organophosphorus with the age，soil layer and season were studied，in order to provide reference for the research of phosphorus cycle in orchards soil.The results showed that with the increase of orchards age，soil activity，medium activity，medium stability，high stability and total extraction of organophosphorus increased first and then decreased，with the lowest content in 11 years orchard and the highest content in 25 years orchard.With the deepening of soil depth，the activity and medium stability of soil organophosphorus decreased gradually，while the medium activity and high stability of soil organophosphorus and the total extracted organophosphorus decreased first and then increased.With the change of spring，summer and autumn，soil activity and high stable organophosphorus showed a gradual decrease trend，medium activity first decreased and then increased，while medium stable organophosphorus and medium activity showed a trend of first increased and then decreased，and finally total extracted organophosphorus showed a trend of first decreased and then increased，but there was no significant difference between summer and autumn.Medium active organophosphorus was the main organophosphorus form in apple-pear orchards，followed by high stable organophosphorus form.
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备注/Memo
第一作者简介：白雨停（1998-），女，硕士研究生，研究方向为土壤学。E-mail:1697184020@qq.com.责任作者：梁运江（1972-），男，博士，教授，现主要从事土壤学等研究工作。E-mail：lyjluo@ybu.edu.cn.基金项目：吉林省自然科学基金资助项目（20220101189JC）；国家自然科学基金资助项目(31460117)。收稿日期：2023-03-20